[{"data":1,"prerenderedAt":112},["ShallowReactive",2],{"protocol-en-filter-your-water":3},{"id":4,"title":5,"body":6,"category":86,"cost":87,"description":12,"effort":88,"evidenceGrade":89,"evidenceType":90,"extension":91,"icon":92,"impact":88,"meta":93,"navigation":94,"order":95,"path":96,"seo":97,"sources":98,"stem":108,"summary":109,"tldr":110,"__hash__":111},"protocols_en\u002Fen\u002Fprotocols\u002Ffilter-your-water.md","Filter Your Water",{"type":7,"value":8,"toc":79},"minimark",[9,13,18,65,69,72,76],[10,11,12],"p",{},"Filtering tap water is one of the few microplastics steps where the evidence points in a clear direction. Part of the reason is that the same filters also remove better-studied chemicals like PFAS. Here is how to do it without overspending or overworrying.",[14,15,17],"h2",{"id":16},"what-to-do","What to do",[19,20,21,29,39,45,51],"ul",{},[22,23,24,28],"li",{},[25,26,27],"strong",{},"Test before you spend."," Filtering only makes sense if your supply actually tests high. Check local water-quality reports, or run a test, before you buy any hardware.",[22,30,31,34,35,38],{},[25,32,33],{},"Choose the right filter."," Reverse-osmosis or sub-micron membrane filters remove the large majority of particles. Look for one that is also ",[25,36,37],{},"PFAS-rated",". That covers the chemicals with stronger health evidence behind them.",[22,40,41,44],{},[25,42,43],{},"Skip the basic carbon-only pitcher"," if particles are your goal. These are unreliable for microplastics and can even shed particles themselves.",[22,46,47,50],{},[25,48,49],{},"Replace cartridges on schedule."," A spent filter stops working, and at that point it can become a source rather than a fix.",[22,52,53,56,57,60,61,64],{},[25,54,55],{},"A cheap kitchen trick may help, with caveats."," One 2024 lab study found that boiling ",[25,58,59],{},"hard"," water and then filtering out the limescale removed roughly 80 to 90% of nano- and microplastics. In ",[25,62,63],{},"soft"," water the effect was only about 25%.",[14,66,68],{"id":67},"why-it-works","Why it works",[10,70,71],{},"Membrane filtration physically blocks particles by size. That is why reverse-osmosis and sub-micron membranes remove the large majority while loose carbon media does not. The same membranes also capture PFAS, so a single device handles both the particles (exposure proven, harm largely unproven) and the chemicals (better evidenced). The boiling-and-filtering finding comes from a single study using water deliberately spiked with plastics. Results varied sharply by water hardness: about 80 to 90% in hard water versus about 25% in soft.",[14,73,75],{"id":74},"the-honest-caveat","The honest caveat",[10,77,78],{},"The boiling result is one debated lab study on spiked water, not proof of a real-world health benefit. Treat the 80 to 90% figure as promising rather than settled. More broadly, the strongest reason to filter is the PFAS and other chemicals it removes. The case for removing the plastic particles themselves comes down to reducing exposure, not demonstrated harm. Let your actual water-test results guide how much effort you put in, not worst-case headlines.",{"title":80,"searchDepth":81,"depth":81,"links":82},"",2,[83,84,85],{"id":16,"depth":81,"text":17},{"id":67,"depth":81,"text":68},{"id":74,"depth":81,"text":75},"Water","higher","medium","emerging","both","md","lucide:filter",{},true,5,"\u002Fen\u002Fprotocols\u002Ffilter-your-water",{"title":5,"description":12},[99,104],{"title":100,"url":101,"year":102,"type":103},"Drinking Boiled Tap Water Reduces Human Intake of Nanoplastics and Microplastics (Yu et al.), Environ. Sci. Technol. Lett.","https:\u002F\u002Fpubs.acs.org\u002Fdoi\u002F10.1021\u002Facs.estlett.4c00081","2024","particle",{"title":105,"url":106,"year":107,"type":103},"Microplastic Removal Using Point-of-Use Drinking Water Treatment Devices (Cherian et al.), Polymers","https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC10054062\u002F","2023","en\u002Fprotocols\u002Ffilter-your-water","How to filter microplastics and PFAS from tap water: test first, use reverse-osmosis or sub-micron PFAS-rated filters, and replace cartridges on schedule.","Test your water, then filter at the tap with a reverse-osmosis or sub-micron PFAS-rated membrane and replace cartridges on schedule.","0eA3sQTpz8pf1C_0n6ScAdefQlT4KwCeAHL2UHklL80",1780844469730]